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Finding the Fourth Proportional to 677,446.82, 934,877.94 and 371,525.36

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Solution

The fourth proportional to 677,446.82, 934,877.94 and 371,525.36 is: 512,705.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,446.82 : 934,877.94 = 371,525.36 : x
  2. Step 2: Convert to fraction form
    677,446.82/934,877.94 = 371,525.36/x
  3. Step 3: Cross multiply
    677,446.82x = 934,877.94 × 371,525.36
  4. Step 4: Simplify right side
    677,446.82x = 347,330,858,540.17
  5. Step 5: Solve for x
    x = 347,330,858,540.17/677,446.82
  6. Step 6: Final answer
    x = 512,705.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.